When heated to a temperature of 321 °C, formic acid, which has the molecular formula of HCOOH, will decompose in a first-order reaction with the rate constant of 1.85 x 10-3 s¹. How long will it take for 3/4 of a sample of HCOOH to S decompose? The numbers used here are not the actual values as they have been changed for purposes of this exam. Report your answer in seconds, with no units. Give at least 3 significant digits. For the purposes of answering this question, if you get an answer such as 150, consider the last O as one of these three digits. Your Answer: Your Answer

Chemistry
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Chapter1: Chemical Foundations
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273.15 K = 0 °C NA = 6.02,
RT/F = 0.025693 V (RT/F) In10 = 0.059160 V @ T = 298.15 K
R = 8.3145 J K-1 mol-¹ = 0.082057 L atm K-1 mol-1
F = 96,485.3 C/mol
1 atm = 1.01325 bar = 760 Torr = 101325 Pa
1023 mol-1
Transcribed Image Text:273.15 K = 0 °C NA = 6.02, RT/F = 0.025693 V (RT/F) In10 = 0.059160 V @ T = 298.15 K R = 8.3145 J K-1 mol-¹ = 0.082057 L atm K-1 mol-1 F = 96,485.3 C/mol 1 atm = 1.01325 bar = 760 Torr = 101325 Pa 1023 mol-1
When heated to a temperature of 321 °C, formic acid, which has the molecular
formula of HCOOH, will decompose in a first-order reaction with the rate constant
of 1.85 x 10-3 s-¹. How long will it take for 3/4 of a sample of HCOOH to
S
decompose?
The numbers used here are not the actual values as they have been changed for
purposes of this exam. Report your answer in seconds, with no units. Give at least 3
significant digits. For the purposes of answering this question, if you get an answer
such as 150, consider the last O as one of these three digits.
Your Answer:
Your Answer
Transcribed Image Text:When heated to a temperature of 321 °C, formic acid, which has the molecular formula of HCOOH, will decompose in a first-order reaction with the rate constant of 1.85 x 10-3 s-¹. How long will it take for 3/4 of a sample of HCOOH to S decompose? The numbers used here are not the actual values as they have been changed for purposes of this exam. Report your answer in seconds, with no units. Give at least 3 significant digits. For the purposes of answering this question, if you get an answer such as 150, consider the last O as one of these three digits. Your Answer: Your Answer
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